MAX3230E/MAX3230AE/MAX3231E/MAX3231AE 19-3250 Rev 1 10/08 15kV ESD-Protected +2.5V to +5.5V RS-232 Transceivers in UCSP and WLP General Description Features The MAX3230E/AE and MAX3231E/AE are +2.5V to 6 x 5 Chip-Scale Package (UCSP) and WLP Package +5.5V powered EIA/TIA-232 and V.28/V.24 communica- tions interfaces with low power requirements, high data- ESD Protection for RS-232 I/O Pins rate capabilities, and enhanced electrostatic discharge 15kVIEC 1000-4-2 Air-Gap Discharge (ESD) protection, in a chip-scale package (UCSP) 8kVIEC 1000-4-2 Contact Discharge and WLP package. All transmitter outputs and receiver 15kVHuman Body Model inputs are protected to 15kV using IEC 1000-4-2 Air- 1A Low-Power AutoShutdown Gap Discharge, 8kV using IEC 1000-4-2 Contact 250kbps Guaranteed Data Rate Discharge, and 15kV using the Human Body Model. Meet EIA/TIA-232 Specifications Down to +3.1V The MAX3230E/AE and MAX3231E/AE achieve a 1A supply current with Maxims AutoShutdown feature. RS-232 Compatible to +2.5V Allows Operation They save power without changing the existing BIOS or from Single Li+ Cell operating systems by entering low-power shutdown Small 0.1F Capacitors mode when the RS-232 cable is disconnected, or when Configurable Logic Levels the transmitters of the connected peripherals are off. Ordering Information The transceivers have a proprietary low-dropout trans- mitter output stage, delivering RS-232-compliant perfor- PART TEMP RANGE BUMP-PACKAGE mance from a +3.1V to +5.5V supply, and RS-232- compatible performance with a supply voltage as low MAX3230EEBV-T -40C to +85C 6 x 5 UCSP as +2.5V. The dual charge pump requires only four, MAX3230AEEWV+-T -40C to +85C 6 x 5 WLP small 0.1F capacitors for operation from a +3.0V sup- MAX3231EEBV-T -40C to +85C 6 x 5 UCSP ply. Each device is guaranteed to run at data rates of MAX3231AEEWV+-T -40C to +85C 6 x 5 WLP 250kbps while maintaining RS-232 output levels. +Denotes a lead-free/RoHS-compliant package. The MAX3230E/AE and MAX3231E/AE offer a separate T = Tape-and-reel. power-supply input for the logic interface, allowing con- figurable logic levels on the receiver outputs and trans- Typical Operating Circuits mitter inputs. Operating over a +1.65V to V range, V CC L provides the MAX3230E/AE and MAX3231E/AE com- 2.5V TO 5.5V 1.65V TO 5.5V patibility with multiple logic families. 0.1F The MAX3231E/AE contains one receiver and one trans- C BYPASS 0.1F A1 A5 mitter. The MAX3230E/AE contains two receivers and two V V C1 CC L B1 C1+ V+ transmitters. The MAX3230E/AE and MAX3231E/AE are C1 C3 0.1F 0.1F D1 available in tiny chip-scale and WLP packaging and are C1- MAX3230E/AE A2 A4 specified across the extended industrial (-40C to +85C) C2+ V- C4 C2 0.1F temperature range. 0.1F A3 VL C2- T1OUT A6 T1IN E3 Applications RS-232 TTL/CMOS V L INPUTS OUTPUTS B6 T2IN T2OUT E4 Personal Digital Assistants V L Cell-Phone Data Lump Cables R1IN D6 R1OUT E6 Set-Top Boxes 5k TTL/CMOS RS-232 V L OUTPUTS INPUTS Handheld Devices C6 R2OUT R2IN E5 Cell Phones 5k Typical Operating Circuits continued at end of data sheet. TO POWER- E2 INVALID MANAGEMENT Pin Configurations appear at end of data sheet. UNIT B5 FORCEON FORCEOFF C5 V L UCSP is a trademark of Maxim Integrated Products, Inc. GND AutoShutdown is a trademark of Maxim Integrated Products, Inc. E1 Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.15kV ESD-Protected +2.5V to +5.5V RS-232 Transceivers in UCSP and WLP ABSOLUTE MAXIMUM RATINGS V to GND...........................................................-0.3V to +6.0V Short-Circuit Duration T OUT to GND........................Continuous CC V+ to GND.............................................................-0.3V to +7.0V Continuous Power Dissipation (T = +70C) A V- to GND ..............................................................+0.3V to -7.0V 6 5 UCSP (derate 10.1mW/C above +70C) ...........805mW V+ to V- (Note 1) ................................................................+13V 6 5 WLP (derate 20mW/C above +70C).....................1.6W V to GND..............................................................-0.3V to +6.0V Operating Temperature Range ...........................-40C to +85C L Input Voltages Junction Temperature......................................................+150C T IN , FORCEON, FORCEOFF to GND.....-0.3V to (V + 0.3V) Storage Temperature Range .............................-65C to +150C L R IN to GND ...................................................................25V Bump Temperature (soldering) Output Voltages Infrared (15s) ...............................................................+200C T OUT to GND ...............................................................13.2V Vapor Phase (20s) .......................................................+215C R OUT INVALID to GND ............................-0.3V to (V + 0.3V) L INVALID to GND.........................................-0.3V to (V + 0.3V) CC Note 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = +2.5V to +5.5V, V = +1.65V to +5.5V, C1C4 = 0.1F, tested at +3.3V 10%, T = T to T . Typical values are at T = CC L A MIN MAX A +25C, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC CHARACTERISTICS V Input Voltage Range V 1.65 V + 0.3 V L L CC FORCEON = GND 10 FORCEOFF = V , all R open A L IN V Supply Current, CC I CC AutoShutdown FORCEOFF = GND 10 FORCEON, FORCEOFF = V 1mA L V Supply Current, CC I FORCEON = FORCEOFF = V , no load 0.3 1 mA CC L AutoShutdown Disabled FORCEON or FORCEOFF = GND or V , L V Supply Current T IN, I 1A L L V = V = +5V, no receivers switching CC L LOGIC INPUTS Input-Logic Low T IN, FORCEON, FORCEOFF 0.4 V Input-Logic High T IN, FORCEON, FORCEOFF 0.66 V V L Transmitter Input Hysteresis 0.5 V Input Leakage Current T IN, FORCEON, FORCEOFF 0.01 1 A RECEIVER OUTPUTS R OUT, receivers disabled, FORCEOFF = Output Leakage Currents 10 A GND or in AutoShutdown Output-Voltage Low I = 0.8mA 0.4 V OUT Output-Voltage High I = -0.5mA V - 0.4 V - 0.1 V OUT L L 2 MAX3230E/MAX3230AE/MAX3231E/MAX3231AE